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Basic and Diluted Average Shares (Narrative) (Details)	3 Months Ended
Basic and Diluted Average Shares (Narrative) (Details)	Mar. 31, 2015	Mar. 31, 2014
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the denominator in the computation of earnings per share	5,030,000	5,347,500
Unvested Restricted Stock Units ("RSUs") [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the denominator in the computation of earnings per share	72,600	84,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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